Wire up the circuits. Power your lab. Uncover the science hidden inside everyday wonders.

Tinker Loop is a circuit puzzle game where you rotate tiles to connect a power source to its target. Each solved puzzle earns Sparks — the currency you use to upgrade your Lab and unlock Discovery Cards packed with real science facts.

── HOW TO PLAY ──
• Rotate tiles to form a continuous circuit from source to target
• Solve quickly and efficiently to earn bonus Sparks
• Every puzzle is unique — no two circuits are the same

── BUILD YOUR LAB ──
• Upgrade five workbenches: Energy Desk, Rocket Bench, Weather Wall, Nature Scanner, and Robot Helper Bay
• Each upgrade improves your Spark earnings, daily rewards, or puzzle bonuses
• Max out your lab to become the ultimate Tinkerer

── DISCOVER THE WORLD ──
• Unlock 12 Discovery Cards covering Space, Weather, Nature, and Invention
• Cards are earned through skill — reach puzzle milestones, maintain streaks, master Time Attack, and complete Daily Challenges
• Tap any card in your collection to read the full science fact

── GAME MODES ──
• Story Mode: 25 hand-crafted puzzles followed by infinite procedural circuits that grow harder over time
• Daily Challenge: a unique dual-circuit puzzle each day — connect one source to two targets simultaneously
• Time Attack: solve as many puzzles as you can before the clock runs out

── FEATURES ──
• Smooth 60fps animations throughout
• Milestone celebrations at puzzle 10 and 25
• 7-day streak calendar to track your daily habit
• Hint system for when you're stuck (costs 5 Sparks)
• Full sound effects and background music with individual toggles
• TalkBack accessibility support

No ads. No in-app purchases. Just puzzles.